import pygame.font
class Button():
    def __init__(self,ai_settings,screen,msg):
        #初始化按钮的属性
        self.screen = screen
        self.screen_rect = screen.get_rect()
 
        #设置按钮的尺寸和其他属性
        self.width , self.height = 550,100
        self.button_color = (80,80,255)
        self.text_color = (255, 255, 255)
        self.font = pygame.font.SysFont(None,48)
 
        #创建按钮的rect对象，并使其居中
        self.rect = pygame.Rect(350, 450, self.width, self.height)
 
        #按钮的标签只需创建一次
        self.prep_msg(msg)
 
    def prep_msg(self,msg):
        #将msg渲染为图像，并使其在按钮上居中
        #调用font.render()将存储在msg中的文本转为图像，存储在msg_image中
        self.msg_image = self.font.render(msg,True,self.text_color,self.button_color)
        #让文本图像在按钮上居中
        self.msg_image_rect = self.msg_image.get_rect()
        self.msg_image_rect.center = self.rect.center
 
    def draw_button(self):
        #绘制一个用颜色填充的按钮，再绘制文本
        self.screen.fill(self.button_color,self.rect)
        self.screen.blit(self.msg_image,self.msg_image_rect)
        
class Button2():

    def __init__(self, ai_settings, screen, msg):
        """初始化按钮的属性"""
        self.screen = screen
        self.screen_rect = screen.get_rect()

        #设置按钮的尺寸和其他属性
        self.width, self.height = 200, 50
        self.button_color = (0, 255, 0)
        self.text_color = (255, 255, 255)
        self.font = pygame.font.SysFont(None, 48)

        #创建按钮的rect对象，并使其居中
        self.rect = pygame.Rect(700, 300, self.width, self.height)

        #按钮的标签只需创建一次
        self.prep_msg(msg)

    def prep_msg(self, msg):
        """将msg渲染为图像，并使其在按钮上居中"""
        self.msg_image = self.font.render(msg, True, self.text_color,
            self.button_color)
        self.msg_image_rect = self.msg_image.get_rect()
        self.msg_image_rect.center = self.rect.center

    def draw_button(self):
        #绘制一个用颜色填充的按钮，在绘制文本
        self.screen.fill(self.button_color, self.rect)
        self.screen.blit(self.msg_image, self.msg_image_rect)
